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Donald F. Scott, MB; Frank R. Lichtenheld, MD; Reginald G. Bickford, MB

Arch Neurol. 1968;18(5):574-582.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

SEVERAL investigators^1-3 have recognized that intermittent visual stimulation such as occurs when the eyes scan a picture is associated in man with the appearance of discrete electric discharges, lambda waves, in the parietal and occipital areas of the scalp. A previous communication⁴ reported the findings of similar waves in the monkey, dog, cat, and rabbit. Others working with monkeys,^5,6 dogs,⁷ and cats⁸ also noted the occurrence of discharges in the occipital region, which they likewise considered to be the equivalent of lambda waves in the human.

The studies to be reported represent an extension of those previously reported findings.⁴ Not only were conventional scalp, extradural, and depth recordings made but computer summation techniques also were employed; in particular a Computer of Average Transients (CAT) was triggered by eye-movement potentials, and the succeeding brain activity was summed.⁹ Thus, it was possible to sum . . . [Full Text PDF of this Article]

Author Affiliations
Rochester, Minn

From the Mayo Clinic and Mayo Foundation, Rochester, Minn.

Footnotes
Submitted for publication Aug 7, 1967; accepted Nov 13.

Reprint requests to Section of Publications, Mayo Clinic, Rochester, Minn 55901.

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